Re: [Xen-devel] [PATCH] x86/p2m: Reposition p2m_teardown_nestedp2m() to avoid its forward declaration

[George Dunlap <george.dunlap@xxxxxxxxxx>]

On 07/02/17 18:43, Andrew Cooper wrote:
> While adjusting these functions, use unsigned int rather than uint8_t for the
> loop variable, and fix the whitespace style.
> 
> No functional change.

I think changing a variable from 8 to 64 bits might count as a
functional change; but anyway:

Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>

> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> ---
> CC: Jan Beulich <JBeulich@xxxxxxxx>
> CC: Tim Deegan <tim@xxxxxxx>
> CC: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
> ---
>  xen/arch/x86/mm/p2m.c | 36 +++++++++++++++++-------------------
>  1 file changed, 17 insertions(+), 19 deletions(-)
> 
> diff --git a/xen/arch/x86/mm/p2m.c b/xen/arch/x86/mm/p2m.c
> index 6548e9f..7675e9c 100644
> --- a/xen/arch/x86/mm/p2m.c
> +++ b/xen/arch/x86/mm/p2m.c
> @@ -147,15 +147,29 @@ static void p2m_teardown_hostp2m(struct domain *d)
>      }
>  }
>  
> -static void p2m_teardown_nestedp2m(struct domain *d);
> +static void p2m_teardown_nestedp2m(struct domain *d)
> +{
> +    unsigned int i;
> +    struct p2m_domain *p2m;
> +
> +    for ( i = 0; i < MAX_NESTEDP2M; i++ )
> +    {
> +        if ( !d->arch.nested_p2m[i] )
> +            continue;
> +        p2m = d->arch.nested_p2m[i];
> +        list_del(&p2m->np2m_list);
> +        p2m_free_one(p2m);
> +        d->arch.nested_p2m[i] = NULL;
> +    }
> +}
>  
>  static int p2m_init_nestedp2m(struct domain *d)
>  {
> -    uint8_t i;
> +    unsigned int i;
>      struct p2m_domain *p2m;
>  
>      mm_lock_init(&d->arch.nested_p2m_lock);
> -    for (i = 0; i < MAX_NESTEDP2M; i++)
> +    for ( i = 0; i < MAX_NESTEDP2M; i++ )
>      {
>          d->arch.nested_p2m[i] = p2m = p2m_init_one(d);
>          if ( p2m == NULL )
> @@ -171,22 +185,6 @@ static int p2m_init_nestedp2m(struct domain *d)
>      return 0;
>  }
>  
> -static void p2m_teardown_nestedp2m(struct domain *d)
> -{
> -    uint8_t i;
> -    struct p2m_domain *p2m;
> -
> -    for (i = 0; i < MAX_NESTEDP2M; i++)
> -    {
> -        if ( !d->arch.nested_p2m[i] )
> -            continue;
> -        p2m = d->arch.nested_p2m[i];
> -        list_del(&p2m->np2m_list);
> -        p2m_free_one(p2m);
> -        d->arch.nested_p2m[i] = NULL;
> -    }
> -}
> -
>  static void p2m_teardown_altp2m(struct domain *d)
>  {
>      unsigned int i;
> 


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